37
18-HD82D1-1B-EN
Wire specification for remote sensors: 2 conductors, 18 gauge wire. Make sure that the sensor wires are installed
in a separate cable from the wiring to the HVAC system. Best results for distances of 100 feet or less. Accuracy
may be affected for distances up to a maximum of 200 feet. Shielded cable is recommended for distances over
100 feet and less than 200 feet.
CAUTION: Keep this wiring at least one foot away from large inductive loads such as electronic
air cleaners, motors, line starters, lighting ballasts, and large distribution panels. Failure to follow these
wiring practices may introduce electrical interference (noise) which can cause erratic system operation.
Shielded cable is required if the above wiring guidelines cannot be met.
Be sure to ground only one end of the shield to the Comfort Control common terminal. Tape back the
other end of the shield.
Remote Sensor Part Numbers
Remote Indoor Sensor: Use ZZSENSAL0400AA for indoor applications.
Remote Outdoor Sensor: Use BAYSEN01ATEMPA for outdoor applications.
> IMPORTANT:
Make sure that the sensor wires are installed in a separate cable from the
Comfort Control cable.
> IMPORTANT:
Follow directions below for averaging. These instructions replace the averaging
information found in the Installer’s Guide for the ZZSENSAL0400AA.
Remote Temperature Sensor Connections and Operation:
A) Indoor sensor connected to RS.
The Remote Sensor (RS) function can be configured
in the Service/Installer Settings/Sensor Settings
menu. Options are:
•
None
•
Replaces onboard temp sensor of the
Comfort Control
•
Averages with onboard temp sensor
Replace
- RS Sensor replaces the internal
temperature sensor of the Comfort Control. This
allows the Comfort Control to be installed in a location
different than the area where the temperature will be
measured. Use ZZSENSAL0400AA.
Average
- RS Sensor averages its temperatures with
the internal sensor. Use ZZSENSAL0400AA.
B) Outdoor sensor connected to ODT. Reports outdoor
temperature to the Comfort Control.
The Outdoor Sensor (ODT) function can be configured in
the Service/Installer Settings/Sensor Settings menu.
Options are:
•
None
•
Outside
Outside
- ODT (outdoor temperature sensor). If ODT sensor is selected and connected, the outdoor temp is
displayed on the main screen. ODT model is BAYSEN01ATEMPA.
RS
RS
ODT
ODT
Outdoor
Sensor
Remote
Sensor
Optional Remote Temperature Sensor Installation
XR724 INSTALLER’S GUIDE
Summary of Contents for NEXIA XR724
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